NL34633C - - Google Patents
Info
- Publication number
- NL34633C NL34633C NL34633DA NL34633C NL 34633 C NL34633 C NL 34633C NL 34633D A NL34633D A NL 34633DA NL 34633 C NL34633 C NL 34633C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R11/00—Transducers of moving-armature or moving-core type
- H04R11/08—Gramophone pick-ups using a stylus; Recorders using a stylus
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Control Of Position Or Direction (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Linear Motors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3535030A GB367807A (en) | 1930-11-24 | 1930-11-24 | Improvements relating to electrical pick-ups |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL34633C true NL34633C (ja�@�@) |
Family
ID=10376744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL34633D NL34633C (ja�@�@) | 1930-11-24 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE382590A (ja�@�@) |
| CH (1) | CH161089A (ja�@�@) |
| FR (1) | FR722686A (ja�@�@) |
| GB (1) | GB367807A (ja�@�@) |
| NL (1) | NL34633C (ja�@�@) |
-
0
- NL NL34633D patent/NL34633C/xx active
- BE BE382590D patent/BE382590A/xx unknown
-
1930
- 1930-11-24 GB GB3535030A patent/GB367807A/en not_active Expired
-
1931
- 1931-09-08 FR FR722686D patent/FR722686A/fr not_active Expired
-
1932
- 1932-02-18 CH CH161089D patent/CH161089A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB367807A (en) | 1932-02-24 |
| FR722686A (fr) | 1932-03-23 |
| CH161089A (de) | 1933-04-15 |
| BE382590A (ja�@�@) |